Season 1
An unlikely partnership is forged, between a passionate cop and an emotionless prosecutor, to bring an evasive serial killer to justice.
Episodes
1 I Am Innocent Jun 10, 2017 
2 Just Turn On The Lights Jun 11, 2017 
3 A New Possible Suspect Jun 17, 2017 
4 Kwon Min Ah Jun 18, 2017 
5 The Second Huam-dong Case Jun 24, 2017 
6 The Ringtone Jun 25, 2017 
7 Ga Young's Phone Jul 1, 2017 
8 Western Seoul Prosecutors' Office Jul 2, 2017 
9 Special Investigation Jul 8, 2017 
10 Revelation Jul 9, 2017 
11 Cold and Damp Jul 15, 2017 
12 Disbandment Jul 16, 2017 
13 0 and 7 Jul 22, 2017 
14 Another Body Jul 23, 2017 
15 Accomplice Jul 29, 2017 
16 A Monster Jul 30, 2017